Home / 18,738.08-28,106.46-4,698.24

Finding the Fourth Proportional to 18,738.08, 28,106.46 and 4,698.24

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Solution

The fourth proportional to 18,738.08, 28,106.46 and 4,698.24 is: 7,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.08 : 28,106.46 = 4,698.24 : x
  2. Step 2: Convert to fraction form
    18,738.08/28,106.46 = 4,698.24/x
  3. Step 3: Cross multiply
    18,738.08x = 28,106.46 × 4,698.24
  4. Step 4: Simplify right side
    18,738.08x = 132,050,894.63
  5. Step 5: Solve for x
    x = 132,050,894.63/18,738.08
  6. Step 6: Final answer
    x = 7,047.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.